Interlock Ransomware Gang Exfiltrates Data of Nearly 2.7 Million DaVita Patients
Summary
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The Interlock ransomware gang exfiltrated personal and health information of nearly 2.7 million individuals from DaVita, a kidney dialysis firm. The breach occurred between March 24 and April 12, 2025, affecting data from DaVita's dialysis labs database. The compromised data includes names, addresses, dates of birth, social security numbers, health insurance details, and dialysis lab test results. The gang leaked the data on its dark web portal after failed negotiations with DaVita. DaVita serves over 265,400 patients across 3,113 outpatient dialysis centers globally. The company reported revenues of over $12 billion in 2024 and $3.3 billion for the second quarter of 2025. The Department of Health's Office for Civil Rights (OCR) confirmed the breach, initially reporting 2,689,826 affected individuals, but DaVita's internal investigation found the actual number to be 2.4 million.
Timeline
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22.08.2025 12:38 π° 1 articles Β· β± 25d ago
Interlock Ransomware Gang Exfiltrates Data from DaVita
The Interlock ransomware gang exfiltrated personal and health information of nearly 2.7 million individuals from DaVita between March 24 and April 12, 2025. The gang leaked the data on its dark web portal after failed negotiations with DaVita. DaVita confirmed the legitimacy of the leaked files and is providing resources to affected individuals. The Department of Health's Office for Civil Rights (OCR) initially reported 2,689,826 affected individuals, but DaVita's internal investigation found the actual number to be 2.4 million.
Show sources
- DaVita says ransomware gang stole data of nearly 2.7 million people β www.bleepingcomputer.com β 22.08.2025 12:38
Information Snippets
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DaVita operates 3,113 outpatient dialysis centers, with 2,660 in the United States and 453 in 13 other countries.
First reported: 22.08.2025 12:38π° 1 source, 1 articleShow sources
- DaVita says ransomware gang stole data of nearly 2.7 million people β www.bleepingcomputer.com β 22.08.2025 12:38
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The breach occurred between March 24 and April 12, 2025.
First reported: 22.08.2025 12:38π° 1 source, 1 articleShow sources
- DaVita says ransomware gang stole data of nearly 2.7 million people β www.bleepingcomputer.com β 22.08.2025 12:38
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The compromised data includes personal information, health insurance details, and dialysis lab test results.
First reported: 22.08.2025 12:38π° 1 source, 1 articleShow sources
- DaVita says ransomware gang stole data of nearly 2.7 million people β www.bleepingcomputer.com β 22.08.2025 12:38
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The Interlock ransomware gang claimed responsibility for the breach and leaked the data on its dark web portal.
First reported: 22.08.2025 12:38π° 1 source, 1 articleShow sources
- DaVita says ransomware gang stole data of nearly 2.7 million people β www.bleepingcomputer.com β 22.08.2025 12:38
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The gang exfiltrated approximately 1.5 terabytes of data, including sensitive patient records, insurance details, user account information, and financial data.
First reported: 22.08.2025 12:38π° 1 source, 1 articleShow sources
- DaVita says ransomware gang stole data of nearly 2.7 million people β www.bleepingcomputer.com β 22.08.2025 12:38
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DaVita confirmed the legitimacy of the leaked files after discovering that some of them had been stolen from its dialysis labs.
First reported: 22.08.2025 12:38π° 1 source, 1 articleShow sources
- DaVita says ransomware gang stole data of nearly 2.7 million people β www.bleepingcomputer.com β 22.08.2025 12:38
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The Interlock ransomware operation emerged in September 2024 and has targeted multiple industries, including healthcare.
First reported: 22.08.2025 12:38π° 1 source, 1 articleShow sources
- DaVita says ransomware gang stole data of nearly 2.7 million people β www.bleepingcomputer.com β 22.08.2025 12:38
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